let's turn to don clark, former special agent in charge of the new york fbi. there is an extra special challenge that we talked about with chasing dorner for the lapd and the related bureaus in that he's a man with great military training and great police training. they had to worry about extra things. what's the challenge when you are chaying somebody who knows your tactics and is expert in them. >> you put it on the market there. he is someone that is well-trained. having all of that training and so forth, what the organizations have to do in this case and the police officers did a good job in trying to protect them. they have to start to look at this now. yes, she one of us. for the citizens and everybody around, put whatever activities they need to to stop it or try to stop it then. >> of the other elements of this case was in his facebook manifesto. dorner said he expected to die. he was prepared for his own death. how did that complicate a manhunt and investigation. >> clearly it does complicate the situation when you get that information that someone ha